DE3060478D1 - Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid - Google Patents

Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid

Info

Publication number
DE3060478D1
DE3060478D1 DE8080106376T DE3060478T DE3060478D1 DE 3060478 D1 DE3060478 D1 DE 3060478D1 DE 8080106376 T DE8080106376 T DE 8080106376T DE 3060478 T DE3060478 T DE 3060478T DE 3060478 D1 DE3060478 D1 DE 3060478D1
Authority
DE
Germany
Prior art keywords
diaminonaphthalene
preparation
disulphonic acid
disulphonic
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8080106376T
Other languages
German (de)
Inventor
Horst-Dieter Dr Kramer
Ruthard Dr Potthast
Bruno Dr Kruger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to DE8080106376T priority Critical patent/DE3060478D1/en
Application granted granted Critical
Publication of DE3060478D1 publication Critical patent/DE3060478D1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
DE8080106376T 1979-10-31 1980-10-20 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid Expired DE3060478D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8080106376T DE3060478D1 (en) 1979-10-31 1980-10-20 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792944094 DE2944094A1 (en) 1979-10-31 1979-10-31 METHOD FOR PRODUCING 1,6-DIAMINONAPHTHALINE-4,8-DISULPHONIC ACID
DE8080106376T DE3060478D1 (en) 1979-10-31 1980-10-20 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid

Publications (1)

Publication Number Publication Date
DE3060478D1 true DE3060478D1 (en) 1982-07-15

Family

ID=6084875

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792944094 Withdrawn DE2944094A1 (en) 1979-10-31 1979-10-31 METHOD FOR PRODUCING 1,6-DIAMINONAPHTHALINE-4,8-DISULPHONIC ACID
DE8080106376T Expired DE3060478D1 (en) 1979-10-31 1980-10-20 Process for the preparation of 1,6-diaminonaphthalene-4,8-disulphonic acid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19792944094 Withdrawn DE2944094A1 (en) 1979-10-31 1979-10-31 METHOD FOR PRODUCING 1,6-DIAMINONAPHTHALINE-4,8-DISULPHONIC ACID

Country Status (3)

Country Link
EP (1) EP0028730B1 (en)
JP (1) JPS56113755A (en)
DE (2) DE2944094A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103113269B (en) * 2013-01-23 2015-07-22 绍兴奇彩化工有限公司 1,8-dinitro-3,6-naphthalene disulfonate hydrogenation reduction method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE72665C (en) * KALLE & CO. in Biebrich a. Rh Process for the preparation of a naphthylenediamine-ai «^ -disulfonic acid
DE2265291C3 (en) * 1972-02-25 1979-04-05 Bayer Ag, 5090 Leverkusen Aminophenyl naphthotriazole

Also Published As

Publication number Publication date
DE2944094A1 (en) 1981-05-14
EP0028730A1 (en) 1981-05-20
EP0028730B1 (en) 1982-05-26
JPS56113755A (en) 1981-09-07

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee